Iowa County Courthouse - Credit: Wikimedia Commons
The Iowa County Courthouse is a stone courthouse in Dodgeville, Wisconsin. Built by Cornish immigrants in 1859, it is the oldest courthouse still in use in Wisconsin. The building houses the circuit court and government offices of Iowa County, Wisconsin. It was listed on the National Register of Historic Places in 1972. According to its 1971 NRHP nomination, its stonework is "superb". with Read more on Wikipedia
Source: en.wikipedia.org